Primes of the form n^2+5*n+c (n>=0), where c=3 for even n and c=-3 for odd n.

Terms

a(0) =3a(1) =17a(2) =47a(3) =107a(4) =173a(5) =269a(6) =503a(7) =641a(8) =809a(9) =983a(10) =1187a(11) =1637a(12) =2441a(13) =2753a(14) =4157a(15) =4547a(16) =4967a(17) =5393a(18) =5849a(19) =6311a(20) =6803a(21) =7829a(22) =8363a(23) =9497a(24) =11981a(25) =12653a(26) =13331a(27) =14753a(28) =15497a(29) =17027